function InputF(s,c)
  local base=fut[c]
  local x;
  x=  0 + (getParamEx(s,c,"LASTCHANGE").param_value or 0);       if x==nil then return false end;  
  base.lastchange=x
  x=  0 + (getParamEx(s,c,"DAYS_TO_MAT_DATE").param_value or 0); if x==0   then return false end;    base.mat=x
  x=  0 + (getParamEx(s,c,"LAST").param_value or 0);              if x==0   then return false end;    base.last=x 
  x=  0 + (getParamEx(s,c,"OFFER").param_value or 0);             if x==0   then return false end;    base.offerf[-1]=x; base.offerf[0]=0
  x=  0 + (getParamEx(s,c,"BID").param_value or 0);               if x==0   then return false end;    base.offerf[1] =x
  base.offerfrub[-1] = base.offerf[-1]/base.stepf*base.prstepf; base.offerfrub[0]=0;
  base.offerfrub[ 1] = base.offerf[ 1]/base.stepf*base.prstepf
  base.inputOK = true
  return true
end